Fastening System used for applying in Cable tray , cable ladder , modular systems and mesh cable tray systems. Fastening System include : - Truss-head bolt with flange nut - Truss-head bolt with nut and washer - Hexagonal bolt with nut and washer - washer (Large washer , Serrated washer , Lock washer) -Hexagonal nut - Anchor bolt - and etc. Bornika is the exclusive agent of OBO Bettermann in the fields of consultation, sales and distribution of power industry products including Fastening System is active.